OITracker Cboe delayed data

Contract OI history

Back to FPS

Dec 18, 2026 EXPIRATION

FPS $35.00 Call

FPS261218C00035000

Latest saved OI834Oct 23, 2026
Last change+766vs previous saved observation
Saved market days4Oct 15, 2026 onwards
Daily open interest Hover a point for its date and OI
FPS $35.00 call open interest history 4 saved observations from 2026-10-15 to 2026-10-23. Exact values and changes are listed in the table below. 8344170 2026-10-15: 0 OI2026-10-16: 54 OI2026-10-21: 68 OI2026-10-23: 834 OI Oct 15, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

FPS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing834+766
Oct 21, 202668+14
Oct 16, 202654+54
Oct 15, 20260No prior observation